#include <QCoreApplication>
#include <iostream>
using namespace std;


int main()
{
  int a,b;
       cout <<"Vvedite a: \n";
       cin >>a;
       cout <<"Vvedite b-----: \n";
       cin >>b;
          a=a+b;
          b=a-b;
          a=a-b;
             cout <<"a=" << a <<"\nb=" << b <<endl;





    return 0;
}
